We understand the move is a done deal, with official confirmation due in January.

The Scarlets held a press conference this morning to preview Saturday’s Guinness Pro12 clash with Zebre.

And when questioned about Williams’s future, head coach Wayne Pivac said: “There is no change. As we have said before, he has had the internationals to worry about, but I am sure when that decision is made 100 per cent in terms of staying or going you will be the first to know.